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Current Electricity

Current Electricity
The maximum current rating for a 10 kΩ, 0.5 W resistor is

28.28 mA
7.07 mA
0.707 mA
14.14 mA

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Current Electricity
The resistance of a straight conductor is independent of

Temperature
Material
Cross-sectional area
Shape of cross-section

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Current Electricity
Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open

Rest of the two bulbs will not light
All three bulbs will light
There will be heavy current in the main line
The other two bulbs will light

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Current Electricity
Which of the following statement is true both for a series and a parallel D.C. circuit?

Elements have individual currents
Power are additive
Currents are additive
Voltages are additive

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Current Electricity
A 3 Q resistor having 2 A current will dissipate the power of

4 watts
2 watts
6 watts
8 watts

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Current Electricity
The filament of electrical bulb is made of

Tungsten
Aluminium
Nickel
Steel

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